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Search took 0.01 seconds. Search: Posts Made By: jcltok
Forum: Lighting, Filtration & Other Equipment 11/16/2007, 11:07 PM
Replies: 99
Views: 187,576
Posted By jcltok
Hahnmeister By the way here is a hyperlink...

Hahnmeister

By the way here is a hyperlink to show illuminance conversions for the things you say can't be done:

http://www.onlineconversion.com/illuminance.htm
Forum: Lighting, Filtration & Other Equipment 11/16/2007, 11:03 PM
Replies: 99
Views: 187,576
Posted By jcltok
Hahnmeister

Just how much data do I have to provide for you to listen. Maybe a Physics Professor from the University of Arkansas can explain to you:

You state: "There is no way you can convert lux to...
Forum: Lighting, Filtration & Other Equipment 11/16/2007, 10:38 PM
Replies: 99
Views: 187,576
Posted By jcltok
hahnmeister

You asked I stop posting - why don't you go read Dana Riddle to whom you refereed me to. You will find that his and my points though stated differently and coming form different base point to the...
Forum: Lighting, Filtration & Other Equipment 11/16/2007, 03:35 PM
Replies: 99
Views: 187,576
Posted By jcltok
Hahnmeister

I have to apologize to you - I reread my posts and I did say "you need 1800 uMol/m2/sec". That is not correct - PAR levels should be set depending on the needs of the coral in the tank! So, I...
Forum: Lighting, Filtration & Other Equipment 11/16/2007, 02:14 PM
Replies: 99
Views: 187,576
Posted By jcltok
Hahnmeister

Can you give me the reference information so I can find Dana Riddles research. Thanks I appreciate it!

You state: "As for the exact light output your home reef gets... it all depends on what you...
Forum: Lighting, Filtration & Other Equipment 11/16/2007, 01:40 PM
Replies: 99
Views: 187,576
Posted By jcltok
I think this where the confusion lies: ...

I think this where the confusion lies:


"Radiance flux (ФЄ) is the energy per unit time (dQ/dt) that is radiated from a source with the range of .01 to 1000 μm4, which includes the visible,...
Forum: Lighting, Filtration & Other Equipment 11/15/2007, 08:36 PM
Replies: 99
Views: 187,576
Posted By jcltok
CCT File

I could not upload the file, so here is a link: http://www.lumileds.com/pdfs/DS56.pdf

Regards,
Forum: Lighting, Filtration & Other Equipment 11/15/2007, 08:30 PM
Replies: 99
Views: 187,576
Posted By jcltok
Hahnmeister

You state “I think you can rest assured that everyone in this thread knows what you have posted already... you pretty much just walked into the car dealership and told the salesmen what kinds of cars...
Forum: Lighting, Filtration & Other Equipment 11/12/2007, 10:05 PM
Replies: 99
Views: 187,576
Posted By jcltok
Whats with the watts?

I have always wondered why hobbyists focus on watts. The real question is whether the coral is getting enough light - lumen. At sea level, the sun provides about 2650 lumen per square foot.

The...
Showing results 1 to 9 of 9

 
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